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Home> Products > Dyestuffs and Pigments > Fluorescent Brighteners > CAS DataBase Listed 1 > CAS 1533-45-5
1533-45-5 structure 3D

1533-45-5

  • Molecular Weight: 414.45472
  • Formula: C8H14N2S
  • Name: 2H-Benzimidazol-2-one,1-(acetyloxy)-1,3-dihydro-
  • Synonyms: FBA 393; C.I. 40674; Uvitex OB-ONE; Eastobrite OB 1; OpticalBrightener 1; fluorescentbrightener393; 44BIS2BENZOXAZOYLSTILBENE; Fluorescent Brightener 393; Fluorescent Brightener OB-1; OpticalBrighteningAgentOB-1C.I.; 4,4'-BIS(2-BENZOXAZOLYL)STILBENE; 4,4'-Di(benzoxazol-2-yl)stilbene; 4,4 -BIS(2-BENZOXAZOLYL)STLLBENE; Optical Brightening Agent OB-1 C. I. 393; 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole; 2,2'-(1,2-ETHENEDIYLDI-4...
Properties Safety and Handling Reach Info MSDS Computational chemical data
Identification of 1533-45-5 Safety Data
  • [Risk Codes]
  • R36/37/38:Irritating to eyes, respiratory system and skin
  • [Safety Statements]
  • S24/25:Avoid contact with skin and eyes
Properties
  • Appearance:
  • solid
  • Molecular Weight:
  • 414.45472
  • Density:
  • 0.882
  • Melting Point:
  • 357-359℃
  • Flash Point:
  • 162 °C
  • Storage Temperature:
  • Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
  • Refractive index:
  • 1.731
  • Solubility:
  • Insoluble
  • Stability:
  • Stable. Incompatible with strong oxidizing agents.
  • More Properties>>
There are 215 suppliers who can provide 2H-Benzimidazol-2-one,1-(acetyloxy)-1,3-dihydro- with CAS No. 1533-45-5
2,2'-(vinylenedi-p-phenylene)bisbenzoxazole
  • FOB Price:1 USD/Gram 
  • Cas No:1533-45-5 
  • Min.Order:1/Gram 
  • Purity:99%%min 
  • Supply Ability:3000 Month/Kilogram 
  • Formula:C28H18N2O2 
  • Payment:L/C,D/A,D/P,T/T,Western Union,MoneyGram, 
  • Updatetime:Feb 13 2020 
Jilin Tely Imp & Exp Co., Ltd
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2016
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Employees:5 - 10 People
  • Tel:0086-431-81915458
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  • Address:Xi min zhu street
1YR Main Products
Pharmaceutical raw materials,Chemical reagent, Food aditives,Plant ExtracPharmaceutical and pesticide intermediates.
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2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • FOB Price:1 USD/Kilogram 
  • Cas No:1533-45-5 
  • Min.Order:1/Kilogram 
  • Purity:99(%) 
  • Supply Ability:5000 Month/Kilogram 
  • Formula:C28H18N2O2 
  • Payment:T/T,Western Union,MoneyGram,Bitcoin (BTC), 
  • Updatetime:Dec 20 2019 
Hebei Yanxi Chemical Co.,Ltd
  • Category:Partnership
  • Registered Time:2017
  • Registered Capital:Below US$100 Thousand
  • Legal Representative:jungang xing
  • Employees:11 - 50 People
  • Tel:86-311-66561638
  • Fax:86-311-66561638
  • Address:Zhang zhe, guangzong county, xingtai city, hebei province
1YR Main Products
Division I, the main production Lead acetate phenylacetamide Cyromazine quality is very good!
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4,4'-Bis(2-benzoxazolyl)stllbene
  • FOB Price:1 USD/Kilogram 
  • Cas No:1533-45-5 
  • Min.Order:1/Kilogram 
  • Purity:95%, 99% 
  • Supply Ability:11 Year/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:T/T, L/C 
  • Updatetime:Dec 20 2019 
Hangzhou Dayangchem Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2000
  • Registered Capital:US$501 Thousand - US$1 Million
  • Legal Representative:Tang
  • Employees:51 - 100 People
  • Tel:86-571-88938639
  • Fax:86-571-88938652
  • Address:9/F Unit 2 ChangdiTorch Building, 259 #WenSan Road
8YRS Main Products
Chemical products
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optical whitening agent OB-1 (FBA 393)
  • Cas No:1533-45-5 
  • Min.Order:1/Kilogram 
  • Purity:99% 
  • Supply Ability:10 Month/Metric Ton 
  • Formula:C28H18N2O2 
  • Appearance:bright yellow crystalline powder 
  • Updatetime:Dec 20 2019 
Hebei zhuangkai biotechnology co. LTD
  • Category:Corporation/Limited Liability Company
  • Registered Time:2019
  • Registered Capital:Above US$100 Million
  • Legal Representative:qiaoxuejun
  • Employees:51 - 100 People
  • Tel:+86-311-85355123
  • Fax:+86-311-85355123
  • Address:block B, jinyuan business plaza, no. 15
1YR Main Products
Pharmaceutical intermediates Pesticide intermediates
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Optical brightener OB-1T
  • Cas No:1533-45-5 
  • Purity:99% 
  • Formula:C28H18N2O2 
  • Appearance:Bright yellowish crystal powder 
  • Einecs:216-245-3 
  • Description:Brightener/Optical whitener is an organic compound that increases the whiteness of fabrics and plastics. Also known as optical brighteners, fluorescent whitening agents. Fabrics and the like are often yellow due to the inclusion of colored impurities. In the p...
  • Updatetime:Dec 18 2019 
Hangzhou Utanpharma biology co,.Ltd
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2009
  • Registered Capital:US$1 Million - US$2.5 Million
  • Employees:11 - 50 People
  • Tel:86-571-87758773
  • Fax:86-571-86821328
  • Address:Room 60M(604), Block A1-3, Hangzhou Zhejiang China
3YRS Main Products
Our company is an internationally oriented research based pharmaceutical company with headquarters located in Hangzhou,China.
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2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • Cas No:1533-45-5 
  • Min.Order:10/Gram 
  • Purity:99.8% 
  • Supply Ability:1000 Month/Kilogram 
  • Formula:C28H18N2O2 
  • Payment:T/T,Western Union,MoneyGram, 
  • Updatetime:Apr 09 2019 
Wuhan New-Rise Biochem Co,. Ltd
  • Registered Time:0
  • Tel:86-27-111111
  • Fax:86-27-111111
  • Address:HUBEI WUHAN
2YRS Main Products
PharmaceuticaL
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2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Description:High quality with nice price! J&H chemical provides you with the best chemical compounds you are looking for!
  • Updatetime:Nov 13 2015 
Hangzhou J&H Chemical Co., Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:2002
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
  • Tel:86-571-87396430
  • Fax:86-571-87396431
  • Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
5YRS Main Products
3,5-Dibromoanisole,5-Fluoro-2-nitroanisole,Doxorubicin hydrochloride,Diethyl 4-oxoheptanedioate,1,5-Diphenylpenta-1,4-dien-3-one,3,5-Dimethoxy-4-hydroxycinnamic acid
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Benzoxazole,2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Description:Name: Benzoxazole,2,2'-(1,2-ethenediyldi-4,1-phenylene)bis- Synonyms: Benzoxazole,2,2'-(vinylenedi-p-phenylene)bis- (7CI,8CI);2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole;4,4'-Di(benzoxazol-2-yl)stilbene;C.I. 40674;Eastobrite OB 1;Fluorescent Brightener 393;Opt...
  • Updatetime:Jun 12 2019 
Zhejiang Haiqiang Chemical Co.,Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:Above US$100 Million
  • Legal Representative:Yang Ji
  • Employees:51 - 100 People
  • Tel:86-571-86960370
  • Fax:86-571-86940780
  • Address:5/F, Around Town North Road,No. 10, Hangzhou, Zhejiang,China
Main Products
API Intermediate Plant extracts Pigments and dyes Food and feed additives Reagent Customization synthesisOther products
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2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Description:Shanghai Credit Asia Chemical Co., Ltd. is specialized in trading and developing active pharmaceutical ingredients, intermediates, and custom synthesis according to client’s requirements.
  • Updatetime:Jun 12 2019 
Shanghai Forever Synthesis Co.,Ltd.
  • Category:Individual (Sole proprietorship)
  • Registered Time:2013
  • Employees:51 - 100 People
  • Tel:86-21-61124658
  • Fax:86-21-61294103
  • Address:Nianjiabang Rd, Pudong, Shanghai
Main Products
Shanghai Forever Synthesis Co.,Ltd. is a professional chemical supplier for API, intermediates, fine chemicals, and customized synthesis.
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2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • FOB Price:1 USD/Kilogram 
  • Cas No:1533-45-5 
  • Min.Order:1/Kilogram 
  • Purity:98% 
  • Supply Ability:100 Month/Kilogram 
  • Formula:C28H18N2O2 
  • Payment:T/T,Western Union, MoneyGran 
  • Updatetime:May 21 2019 
Career Henan Chemical Co
  • Category:Corporation/Limited Liability Company
  • Registered Time:0
  • Registered Capital:US$5 Million - US$10 Million
  • Employees:51 - 100 People
  • Tel:86-371-86658258
  • Fax:86-371-86658258
  • Address:Building 3 of Innovation Park, East District of the National University Science Park of Henan Province
Main Products
Career Henan Chemical Co, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade.
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Fluorescent Brightener
  • Cas No:1533-45-5 
  • Min.Order:10/Kilogram 
  • Purity:98% 
  • Supply Ability:200 Year/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:L/C,T/T,Western Union, 
  • Updatetime:Jan 14 2019 
MOSINTER GROUP LIMITED
  • Registered Time:2004
  • Legal Representative:Fedor
  • Employees:11 - 50 People
  • Tel:86-574-89212210
  • Fax:86-574-89212215
  • Address:Guangbo Center Office 2002, YinXianDaDao 1357
Main Products
Additives for Gasoline and diesel, Pharmaceutical Products, Fire retardant products
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Benzoxazole,2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-
  • Cas No:1533-45-5 
  • Min.Order:1/Kilogram 
  • Purity:99 
  • Supply Ability:100 Year/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:LC 
  • Updatetime:Nov 21 2018 
Jinan Haohua Industry Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:US$1 Million - US$2.5 Million
  • Legal Representative:Jay Kong
  • Employees:501 - 1000 People
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Address:No.59 Gongye South RD
Main Products
Chlorodimethylsilane;1,1,3,3-tetramethyldisiloxane
Contact Supplier
Benzoxazole,2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-
  • Cas No:1533-45-5 
  • Min.Order:10/Gram 
  • Purity:98% 
  • Supply Ability:1000 Year/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:L/C,T/T,Western Union, 
  • Updatetime:May 24 2017 
Wuhan Haizheng Industry & Trade Development Co. Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:2002
  • Registered Capital:US$10 Million - US$50 Million
  • Legal Representative:Hu Qiao
  • Employees:11 - 50 People
  • Tel:86-27-88660577
  • Fax:86-27-88991911
  • Address:27th FL.shuian international masion Bldg.1,Heping Ave.wuhan city
Main Products
medical intermediateadditives of cosmetics(CAS NO.127-82-2)plasticizer(CAS NO.1732-10-1)additives using welting(CAS NO.635-51-8)food additives for nutrient supplements,antiseptic substance
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Optical Brightener OB-1
  • Cas No:1533-45-5 
  • Min.Order:1/Gram 
  • Supply Ability:10 Month/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:TT ,LC, Western Union 
  • Einecs:216-245-3 
  • Description:Optical Brightener OB-1
  • Updatetime:Dec 10 2015 
AFINE CHEMICALS LIMITED
  • Category:Corporation/Limited Liability Company
  • Registered Time:2005
  • Legal Representative:Mr. Wei Fei
  • Tel:86-571-85232161
  • Fax:86-571-85134895
  • Address:6th Floor, Block C, 7th Building, Xigang Xinjie, Xihu Industrial Park, Sandun Town, Hangzhou, China
Main Products
Pharmaceutical raw material(API), Pharmaceutical Intermediate, optical brightening Agent (Fluorescent Brightener), dyes, pigments
Contact Supplier
fluorescent brightener OB-1
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Description:Fluorescent brightener OB-1 Chemical name: 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS Number: 1533-45-5 Molecular formula: C 28 H 18 N
  • Updatetime:Feb 13 2015 
HUTONG GLOBAL CO.,LTD
  • Category:Corporation/Limited Liability Company
  • Registered Time:2013
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Legal Representative:Mr Chau Yang
  • Employees:11 - 50 People
  • Tel:86-22-59853797
  • Fax:86-22-58823400
  • Address:chagugang,wuqing district,Tianjin,China
Main Products
barite,barium sulfate,titanium dioxide,calcium carbide,caustic soda,soda ash,glycerol monostearate,perchloroethylene,titanium tetrachloride,epichlorohydrin,bon acid,2b acid,naphthol AS,AAOA,MEA
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optical brightener agent OB-1
  • FOB Price:12 USD/Kilogram 
  • Cas No:1533-45-5 
  • Min.Order:100/Kilogram 
  • Purity:≥99.95% 
  • Supply Ability:500 Year/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:L/C,D/P,T/T,Western Union,MoneyGram, 
  • Updatetime:May 12 2017 
Changsha Lianda Chemical Co.,Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2008
  • Registered Capital:US$1 Million - US$2.5 Million
  • Legal Representative:Lian Song
  • Employees:11 - 50 People
  • Tel:86-731-83888220
  • Fax:86-731-88726158
  • Address:Huida Building Rm.2222, No.259 South Mawangdui Rd., Yuhua district, Changsha City, Hunan Province, China 410000
Main Products
optical brightener agent; fluorescent brightener;OBA;
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OPTICAL BRIGHTENER OB-1 CAS NO.1533-45-5
  • Cas No:1533-45-5 
  • Min.Order:100/Kilogram 
  • Purity:98.5% min. 
  • Supply Ability:30 Month/Metric Ton 
  • Formula:C28H18N2O2 
  • Payment:L/C,D/A,D/P,T/T, 
  • Updatetime:Dec 07 2019 
Guangzhou Chengshuai New Material Co.,Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:0
  • Employees:11 - 50 People
  • Tel:86-20-34708468
  • Fax:86-20-84697353
  • Address:No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou
Main Products
antioxidants,UV absorbers,light stabilizers
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4,4'-Bis(2-benzoxazolyl)stilbene
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Updatetime:Nov 26 2019 
TCI (Shanghai) Development Co., Ltd.
  • Tel:021-67121386 800-988-0390
  • Fax:021-67121385
  • Address:shanghai
Contact Supplier
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Updatetime:Nov 25 2019 
Beijing Yangcun Fine Chemical Co., Ltd
  • Tel:18610313187 13701008127
  • Fax:+86-10-67862874
Contact Supplier
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
  • Cas No:1533-45-5 
  • Formula:C28H18N2O2 
  • Einecs:216-245-3 
  • Updatetime:Nov 25 2019 
Dalian Richfortune Chemicals Co., Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:1992
  • Registered Capital:US$5 Million - US$10 Million
  • Employees:51 - 100 People
  • Tel:041184820922
  • Address:gaoxinyuanqu
Main Products
intermediate, heat transfer fluid, additive
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